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34 lines
1.1 KiB
C
Vendored
34 lines
1.1 KiB
C
Vendored
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#define __CRT__NO_INLINE
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#include <_mingw.h>
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#include <stdarg.h>
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#include <wchar.h>
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int __cdecl __ms_vsnwprintf(wchar_t *buffer, size_t n, const wchar_t * format, va_list argptr);
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int __cdecl __ms_vsnwprintf(wchar_t *buffer, size_t n, const wchar_t * format, va_list argptr)
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{
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int retval;
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/* _vsnwprintf() does not work with zero length buffer
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* so count number of characters by _vscwprintf() call */
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if (n == 0)
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return _vscwprintf(format, argptr);
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retval = _vsnwprintf(buffer, n, format, argptr);
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/* _vsnwprintf() does not fill trailing null character if there is not place for it */
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if (retval < 0 || (size_t)retval == n)
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buffer[n-1] = '\0';
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/* _vsnwprintf() returns negative number if buffer is too small
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* so count number of characters by _vscwprintf() call */
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if (retval < 0)
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retval = _vscwprintf(format, argptr);
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return retval;
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}
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